Romo will leave the Cowboys as the franchise leader in yards passing and touchdowns after losing the starting job to rookie Dak Prescott. Dallas' 10-year starter broke a bone in his back in a preseason game last year.

Romo, who turns 37 next month, threw for 34,183 yards and 248 touchdowns, but could never match the postseason success of Super Bowl winners Roger Staubach and Troy Aikman.

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